CVE-2017-6181: Input Validation
The parsecharclass function in regparse.c in the Onigmo (aka Oniguruma-mod) regular expression library, as used in Ruby 2.4.0, allows remote attackers to cause a denial of service (deep recursion and application crash) via a crafted regular expression.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2017-6181?
CVE-2017-6181 has a medium severity level as it allows remote attackers to induce a denial of service through deep recursion.
How do I fix CVE-2017-6181?
To fix CVE-2017-6181, upgrade Ruby to a version that is higher than 2.4.0 where the vulnerability has been addressed.
What versions of Ruby are affected by CVE-2017-6181?
CVE-2017-6181 specifically affects Ruby version 2.4.0.
Can CVE-2017-6181 cause data breaches?
CVE-2017-6181 does not directly cause data breaches but can lead to service outages due to application crashes.
What type of attack does CVE-2017-6181 enable?
CVE-2017-6181 enables remote attackers to execute a denial of service attack through specially crafted regular expressions.